Construct a function \phi (x,y) such that grad(\phi )=(6x^(2)+6y)i+(6x+6y)j. Hence, evaluate the line integral \int_C ((6x^(2)+6y)dx+(6x+6y)dy), where C is a curve on the Oxy plane whose starting and ending points are (-1,2) and (-2,1) respectively.

Construct a function phi xy such that gradphi 6x26yi6x6yj Hence evaluate the line integral intC 6x26ydx6x6ydy where C is a curve on the Oxy plane whose starting class=